Josh Hartnett first came to audiences' attention as "Michael 'Fitz' Fitzgerald" in the television series "Cracker. He made his feature film debut in 1998, co-starring with Jamie Lee Curtis in Halloween: H20, receiving an MTV Movie award nomination for Best Breakthrough Performance. Also in 1998, Josh starred in The Faculty directed by Robert Rodriguez. In 1999 he starred in Sofia Coppola's acclaimed black comedy The Virgin Suicides opposite Kirsten Dunst.

In 2001 Hartnett hit his stride starring in three diverse features: O, a modern day version of Othello, which earned him widespread praise; the Jerry Bruckheimer blockbuster Pearl Harbor which earned over $1 billion dollars worldwide for Disney; and the powerful Black Hawk Down for director Ridley Scott. In 2002 the National Theater Owners awarded him with the ShoWest 2002 Male Star of Tomorrow Award.

More recently, Josh starred in Wicker Park for director Paul McGuigan. He recently wrapped Mozart and the Whale, written by Ron Bass, a love story between two people with Asperger's Syndrome, a form of autism. Additional film credits include Hollywood Homicide, 40 Days and 40 Nights, Blow Dry, Town and Country and Here on Earth.